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| Patents Granted on 1799-02-?? | |||||
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| Number | Date | Patentee | Title | Type | |
| 233X | Feb. 14, 1799 | E. Reed | Horizontal water wheel | water wheels | |
| 234X | Feb. 14, 1799 | B. Dearborn | Improvement in Steelyards | scales and balances | |
| 235X | Feb. 14, 1799 | B. Duval | Preparation of steel for cutting glass | glass cutters | |
| 236X | Feb. 14, 1799 | J. Perkins | Making nails | nail making machines | |
| 237X | Feb. 14, 1799 | B. Tyler | Flax and hemp mill | flax and hemp machines | |
| 238X | Feb. 26, 1799 | W. Hancock | Casting iron | steel maker | |